Threaded fastener



FIG. 1 is a front elevational view of a threaded fastener, showing the new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right-side elevational view thereof;

FIG. 4 is a left-side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a cross-sectional view thereof, taken generally along lines 6—6 of FIG. 1;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a bottom perspective view thereof; and,

FIG. 9 is a top perspective view thereof. 

What is claimed is the ornamental design for a threaded fastener, as shown and described. 